#289F27
Closest named color: Grass Green (#3F9B0B). oklch(61.5% 0.187 142.8), rgb(40, 159, 39).
Aa
Black text reads best on this color (6.07:1).
About this color
#289F27 is a medium-dark, vivid green. In OKLCH its lightness is 62%, its chroma 0.187 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.016 away. Black text reads best on it, at 6.07:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 6.07:1 |
| White text | 3.45:1 |
Values
| HEX | #289F27 |
| RGB | rgb(40, 159, 39) |
| HSL | hsl(120, 61%, 39%) |
| OKLCH | oklch(61.5% 0.187 142.8) |
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 #289F27 | 3.45:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #289F27 | 6.07:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #289F27 text on white | 3.45:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #289F27 text on black | 6.07:1 | AA | Lc -40.1 | 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 500.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C6E2C4
oklch(88.4% 0.05 143.3)
-
Step 300
300
#9ED09A
oklch(80.8% 0.091 142.8)
-
Step 400
400
#65B760
oklch(70.6% 0.146 142.7)
-
Step 500
500 (this color)
#289F27
oklch(61.5% 0.187 142.8)
-
Step 600
600
#008C07
oklch(55.5% 0.187 142.8)
-
Step 700
700
#007605
oklch(49% 0.165 142.8)
-
Step 800
800
#006103
oklch(42.7% 0.144 142.8)
-
Step 900
900
#075107
oklch(37.9% 0.123 142.7)
-
Step 950
950
#092F08
oklch(26.9% 0.077 142.7)
#289F27 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) | #A3900E | 0.133 |
| Deuteranopia (no green cones) | #958634 | 0.133 |
| Tritanopia (no blue cones) | #009A88 | 0.120 |
| Achromatopsia (no color) | #8A8A8A | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #289F27
#289F27
oklch(61.5% 0.187 142.8)
- #B856C5
#B856C5
oklch(61.7% 0.187 322.8)
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 #289F27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.016
- Grassy Green #419C03 ΔE 0.017
- Kelly Green #02AB2E ΔE 0.034
- Irish Green #019529 ΔE 0.034
- True Green #089404 ΔE 0.038
- Kelley Green #009337 ΔE 0.044
- Mid Green #50A747 ΔE 0.048
- Medium Green #39AD48 ΔE 0.048
Use #289F27 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.