#289351
Closest named color: Sea Green (#2E8B57). oklch(58.8% 0.138 151.8), rgb(40, 147, 81).
Aa
Black text reads best on this color (5.38:1).
About this color
#289351 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 Sea Green (#2E8B57), ΔE 0.028 away. Black text reads best on it, at 5.38:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.38:1 |
| White text | 3.90:1 |
Values
| HEX | #289351 |
| RGB | rgb(40, 147, 81) |
| HSL | hsl(143, 57%, 37%) |
| OKLCH | oklch(58.8% 0.138 151.8) |
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 #289351 | 3.90:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #289351 | 5.38:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #289351 text on white | 3.90:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #289351 text on black | 5.38:1 | AA | Lc -35.6 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EEE4
oklch(93.7% 0.018 150.5)
-
Step 200
200
#C9E0CE
oklch(88.5% 0.035 152)
-
Step 300
300
#A4CDAD
oklch(81% 0.062 151.4)
-
Step 400
400
#6FB382
oklch(70.8% 0.1 152.1)
-
Step 500
500
#449F62
oklch(63.1% 0.127 151.9)
-
Step 600
600 (this color)
#289351
oklch(58.8% 0.138 151.8)
-
Step 700
700
#047439
oklch(49% 0.128 151.8)
-
Step 800
800
#0E5F30
oklch(42.8% 0.106 151.9)
-
Step 900
900
#174E2A
oklch(37.8% 0.084 151.5)
-
Step 950
950
#0F2E19
oklch(27.1% 0.054 151.7)
#289351 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) | #93864C | 0.117 |
| Deuteranopia (no green cones) | #867D56 | 0.115 |
| Tritanopia (no blue cones) | #009183 | 0.073 |
| Achromatopsia (no color) | #818181 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #289351
#289351
oklch(58.8% 0.138 151.8)
- #AB5AA1
#AB5AA1
oklch(58.8% 0.139 331.9)
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 #289351, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.028
- Light Forest Green #4F9153 ΔE 0.029
- Viridian #1E9167 ΔE 0.032
- Fern Green #548D44 ΔE 0.033
- Kelley Green #009337 ΔE 0.034
- Irish Green #019529 ΔE 0.047
- Forest Green #228B22 ΔE 0.049
- Ocean Green #3D9973 ΔE 0.050
Use #289351 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.