#289554
Closest named color: Light Forest Green (#4F9153). oklch(59.4% 0.138 152.5), rgb(40, 149, 84).
Aa
Black text reads best on this color (5.51:1).
About this color
#289554 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.138 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.028 away. Black text reads best on it, at 5.51:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #289554 |
| RGB | rgb(40, 149, 84) |
| HSL | hsl(144, 58%, 37%) |
| OKLCH | oklch(59.4% 0.138 152.5) |
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 #289554 | 3.80:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #289554 | 5.51:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #289554 text on white | 3.80:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #289554 text on black | 5.51:1 | AA | Lc -36.5 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C8E1CD
oklch(88.6% 0.038 151.3)
-
Step 300
300
#A0CEAC
oklch(80.9% 0.068 152.7)
-
Step 400
400
#69B480
oklch(70.7% 0.107 152.7)
-
Step 500
500 (this color)
#289554
oklch(59.4% 0.138 152.5)
-
Step 600
600
#008A47
oklch(55.5% 0.144 152.6)
-
Step 700
700
#00743B
oklch(49% 0.127 152.7)
-
Step 800
800
#00602F
oklch(42.8% 0.112 152.4)
-
Step 900
900
#0E4F29
oklch(37.8% 0.09 152.4)
-
Step 950
950
#0C2E18
oklch(26.9% 0.057 152.1)
#289554 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) | #95884F | 0.118 |
| Deuteranopia (no green cones) | #887F58 | 0.116 |
| Tritanopia (no blue cones) | #009385 | 0.072 |
| Achromatopsia (no color) | #838383 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #289554
#289554
oklch(59.4% 0.138 152.5)
- #AD5CA2
#AD5CA2
oklch(59.4% 0.138 332.4)
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 #289554, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.028
- Viridian #1E9167 ΔE 0.032
- Sea Green #2E8B57 ΔE 0.032
- Fern Green #548D44 ΔE 0.035
- Kelley Green #009337 ΔE 0.037
- Ocean Green #3D9973 ΔE 0.046
- Irish Green #019529 ΔE 0.049
- Moss Green #658B38 ΔE 0.053
Use #289554 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.