#28901C
Closest named color: Emerald Green (#028F1E). oklch(57.3% 0.176 141.7), rgb(40, 144, 28).
Aa
Black text reads best on this color (5.09:1).
About this color
#28901C is a medium-dark, vivid green. In OKLCH its lightness is 57%, 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 0.013 away. Black text reads best on it, at 5.09:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Emerald Green (#028F1E) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #28901C |
| RGB | rgb(40, 144, 28) |
| HSL | hsl(114, 67%, 34%) |
| OKLCH | oklch(57.3% 0.176 141.7) |
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 #28901C | 4.12:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #28901C | 5.09:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #28901C text on white | 4.12:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #28901C text on black | 5.09:1 | AA | Lc -33.8 | 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
#CAE1C6
oklch(88.5% 0.044 141)
-
Step 300
300
#A4CE9F
oklch(80.9% 0.079 142.1)
-
Step 400
400
#71B469
oklch(70.6% 0.126 141.8)
-
Step 500
500
#47A13D
oklch(63.2% 0.162 141.7)
-
Step 600
600 (this color)
#28901C
oklch(57.3% 0.176 141.7)
-
Step 700
700
#107601
oklch(49.2% 0.164 141.7)
-
Step 800
800
#13600A
oklch(42.7% 0.136 141.8)
-
Step 900
900
#194F14
oklch(37.8% 0.106 141.9)
-
Step 950
950
#112E0D
oklch(27% 0.067 141.3)
#28901C 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) | #948200 | 0.122 |
| Deuteranopia (no green cones) | #887A2A | 0.122 |
| Tritanopia (no blue cones) | #0A8B7B | 0.116 |
| Achromatopsia (no color) | #7D7D7D | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28901C
#28901C
oklch(57.3% 0.176 141.7)
- #A64DB5
#A64DB5
oklch(57.3% 0.176 321.7)
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 #28901C, closest first.
No curated palette has a color within ΔE 0.04 of #28901C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald Green #028F1E ΔE 0.013
- Irish Green #019529 ΔE 0.016
- Forest Green #228B22 ΔE 0.017
- Kelley Green #009337 ΔE 0.020
- True Green #089404 ΔE 0.020
- Grass Green #3F9B0B ΔE 0.039
- Sap Green #5C8B15 ΔE 0.043
- Grassy Green #419C03 ΔE 0.043
Use #28901C 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.