#218838
Closest named color: Forest Green (#228B22). oklch(55.1% 0.149 146.8), rgb(33, 136, 56).
Aa
Black text reads best on this color (4.64:1).
About this color
#218838 is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.149 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.023 away. Black text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.64:1 |
| White text | 4.52:1 |
Values
| HEX | #218838 |
| RGB | rgb(33, 136, 56) |
| HSL | hsl(133, 61%, 33%) |
| OKLCH | oklch(55.1% 0.149 146.8) |
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 #218838 | 4.52:1 | AA | Lc -76.4 | Fine for body text |
| Black text on #218838 | 4.64:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #218838 text on white | 4.52:1 | AA | Lc 71.0 | Content text, not long reading |
| #218838 text on black | 4.64:1 | AA | Lc -30.7 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#CAE0CB
oklch(88.5% 0.037 146.5)
-
Step 300
300
#A5CDA8
oklch(80.9% 0.067 146.9)
-
Step 400
400
#72B379
oklch(70.8% 0.107 146.9)
-
Step 500
500
#489F55
oklch(63.1% 0.137 146.8)
-
Step 600
600 (this color)
#218838
oklch(55.1% 0.149 146.8)
-
Step 700
700
#12742B
oklch(49% 0.138 146.8)
-
Step 800
800
#155F25
oklch(42.7% 0.115 146.7)
-
Step 900
900
#1A4E23
oklch(37.7% 0.09 146.8)
-
Step 950
950
#112E15
oklch(27.1% 0.057 146.6)
#218838 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) | #8A7B30 | 0.116 |
| Deuteranopia (no green cones) | #7E733E | 0.115 |
| Tritanopia (no blue cones) | #008576 | 0.087 |
| Achromatopsia (no color) | #767676 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #218838
#218838
oklch(55.1% 0.149 146.8)
- #9E4E9F
#9E4E9F
oklch(55.3% 0.149 326.9)
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 #218838, closest first.
No curated palette has a color within ΔE 0.04 of #218838.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.023
- Jungle Green #048243 ΔE 0.027
- Kelley Green #009337 ΔE 0.034
- Tree Green #2A7E19 ΔE 0.034
- Dark Grass Green #388004 ΔE 0.034
- Emerald Green #028F1E ΔE 0.036
- Sea Green #2E8B57 ΔE 0.040
- Green #008000 ΔE 0.044
Use #218838 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.