#289D0F
Closest named color: Grass Green (#3F9B0B). oklch(60.8% 0.195 141.1), rgb(40, 157, 15).
Aa
Black text reads best on this color (5.91:1).
About this color
#289D0F is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.195 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.014 away. Black text reads best on it, at 5.91:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.195) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.91:1 |
| White text | 3.54:1 |
Values
| HEX | #289D0F |
| RGB | rgb(40, 157, 15) |
| HSL | hsl(109, 83%, 34%) |
| OKLCH | oklch(60.8% 0.195 141.1) |
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 #289D0F | 3.54:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #289D0F | 5.91:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #289D0F text on white | 3.54:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #289D0F text on black | 5.91:1 | AA | Lc -39.2 | 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
#E0EFDE
oklch(93.6% 0.028 142)
-
Step 200
200
#C7E2C2
oklch(88.4% 0.052 140.8)
-
Step 300
300
#9FD096
oklch(80.8% 0.095 140.7)
-
Step 400
400
#66B759
oklch(70.6% 0.152 141)
-
Step 500
500 (this color)
#289D0F
oklch(60.8% 0.195 141.1)
-
Step 600
600
#1D8B00
oklch(55.5% 0.183 141.1)
-
Step 700
700
#167500
oklch(49% 0.162 141.2)
-
Step 800
800
#116000
oklch(42.6% 0.141 141.1)
-
Step 900
900
#0C5000
oklch(37.6% 0.124 141.1)
-
Step 950
950
#0A2F05
oklch(26.9% 0.08 141.2)
#289D0F 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) | #A18D00 | 0.135 |
| Deuteranopia (no green cones) | #948525 | 0.132 |
| Tritanopia (no blue cones) | #009885 | 0.129 |
| Achromatopsia (no color) | #888888 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #289D0F
#289D0F
oklch(60.8% 0.195 141.1)
- #B551C8
#B551C8
oklch(60.8% 0.196 321)
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 #289D0F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.014
- Grassy Green #419C03 ΔE 0.014
- True Green #089404 ΔE 0.031
- Irish Green #019529 ΔE 0.032
- Kelly Green #02AB2E ΔE 0.039
- Kelley Green #009337 ΔE 0.045
- Emerald Green #028F1E ΔE 0.047
- Leaf Green #5CA904 ΔE 0.056
Use #289D0F 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.