#218D1A
Closest named color: Emerald Green (#028F1E). oklch(56.3% 0.176 142.2), rgb(33, 141, 26).
Aa
Black text reads best on this color (4.88:1).
About this color
#218D1A is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.176 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald Green (#028F1E), ΔE 0.009 away. Black text reads best on it, at 4.88:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Emerald Green (#028F1E) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #218D1A |
| RGB | rgb(33, 141, 26) |
| HSL | hsl(116, 69%, 33%) |
| OKLCH | oklch(56.3% 0.176 142.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #218D1A | 4.29:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #218D1A | 4.88:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #218D1A text on white | 4.29:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #218D1A text on black | 4.88:1 | AA | Lc -32.5 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#C9E1C6
oklch(88.5% 0.045 142.1)
-
Step 300
300
#A4CE9F
oklch(80.9% 0.079 142.1)
-
Step 400
400
#70B46A
oklch(70.6% 0.126 142.3)
-
Step 500
500
#45A13E
oklch(63.1% 0.162 142.2)
-
Step 600
600 (this color)
#218D1A
oklch(56.3% 0.176 142.2)
-
Step 700
700
#0C7604
oklch(49.2% 0.164 142.1)
-
Step 800
800
#11600C
oklch(42.7% 0.135 142.2)
-
Step 900
900
#184F15
oklch(37.8% 0.106 142.4)
-
Step 950
950
#102E0E
oklch(26.9% 0.066 142.4)
#218D1A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #907F00 | 0.122 |
| Deuteranopia (no green cones) | #847728 | 0.122 |
| Tritanopia (no blue cones) | #008978 | 0.114 |
| Achromatopsia (no color) | #7A7A7A | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #218D1A
#218D1A
oklch(56.3% 0.176 142.2)
- #A34AB1
#A34AB1
oklch(56.3% 0.175 322)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #218D1A, closest first.
No curated palette has a color within ΔE 0.04 of #218D1A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald Green #028F1E ΔE 0.009
- Forest Green #228B22 ΔE 0.009
- Irish Green #019529 ΔE 0.023
- Kelley Green #009337 ΔE 0.023
- True Green #089404 ΔE 0.025
- Dark Grass Green #388004 ΔE 0.037
- Green #008000 ΔE 0.043
- Tree Green #2A7E19 ΔE 0.045
Use #218D1A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.