#228C10
Closest named color: Emerald Green (#028F1E). oklch(56% 0.178 141.4), rgb(34, 140, 16).
Aa
Black text reads best on this color (4.82:1).
About this color
#228C10 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.178 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald Green (#028F1E), ΔE 0.011 away. Black text reads best on it, at 4.82:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Emerald Green (#028F1E) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #228C10 |
| RGB | rgb(34, 140, 16) |
| HSL | hsl(111, 79%, 31%) |
| OKLCH | oklch(56% 0.178 141.4) |
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 #228C10 | 4.35:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #228C10 | 4.82:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #228C10 text on white | 4.35:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #228C10 text on black | 4.82:1 | AA | Lc -32.1 | 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
#A4CE9E
oklch(80.9% 0.08 141.5)
-
Step 400
400
#71B467
oklch(70.6% 0.128 141.2)
-
Step 500
500
#47A13B
oklch(63.2% 0.164 141.4)
-
Step 600
600 (this color)
#228C10
oklch(56% 0.178 141.4)
-
Step 700
700
#137500
oklch(49% 0.163 141.4)
-
Step 800
800
#136006
oklch(42.7% 0.137 141.4)
-
Step 900
900
#194F12
oklch(37.8% 0.107 141.5)
-
Step 950
950
#102E0C
oklch(26.9% 0.068 141.4)
#228C10 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) | #907E00 | 0.124 |
| Deuteranopia (no green cones) | #847622 | 0.123 |
| Tritanopia (no blue cones) | #008777 | 0.119 |
| Achromatopsia (no color) | #797979 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #228C10
#228C10
oklch(56% 0.178 141.4)
- #A248B2
#A248B2
oklch(56% 0.179 321.4)
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 #228C10, closest first.
No curated palette has a color within ΔE 0.04 of #228C10.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald Green #028F1E ΔE 0.011
- Forest Green #228B22 ΔE 0.011
- True Green #089404 ΔE 0.025
- Irish Green #019529 ΔE 0.026
- Kelley Green #009337 ΔE 0.028
- Dark Grass Green #388004 ΔE 0.035
- Green #008000 ΔE 0.040
- Tree Green #2A7E19 ΔE 0.043
Use #228C10 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.