#308751
Closest named color: Sea Green (#2E8B57). oklch(55.7% 0.118 152.9), rgb(48, 135, 81).
Aa
Black text reads best on this color (4.71:1).
About this color
#308751 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.118 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.012 away. Black text reads best on it, at 4.71:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #308751 |
| RGB | rgb(48, 135, 81) |
| HSL | hsl(143, 48%, 36%) |
| OKLCH | oklch(55.7% 0.118 152.9) |
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 #308751 | 4.45:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #308751 | 4.71:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #308751 text on white | 4.45:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #308751 text on black | 4.71:1 | AA | Lc -31.0 | 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
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CBDFD0
oklch(88.5% 0.029 153.3)
-
Step 300
300
#A7CBB1
oklch(80.9% 0.053 153.7)
-
Step 400
400
#77B087
oklch(70.6% 0.085 152.6)
-
Step 500
500
#509C69
oklch(63% 0.108 152.8)
-
Step 600
600 (this color)
#308751
oklch(55.7% 0.118 152.9)
-
Step 700
700
#217241
oklch(49.1% 0.11 152.7)
-
Step 800
800
#1E5D36
oklch(42.7% 0.091 152.9)
-
Step 900
900
#1F4C2F
oklch(37.6% 0.071 153.1)
-
Step 950
950
#142D1C
oklch(27.1% 0.045 152.8)
#308751 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) | #877C4D | 0.102 |
| Deuteranopia (no green cones) | #7C7455 | 0.101 |
| Tritanopia (no blue cones) | #0C8579 | 0.061 |
| Achromatopsia (no color) | #777777 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308751
#308751
oklch(55.7% 0.118 152.9)
- #9C5791
#9C5791
oklch(55.7% 0.119 333.2)
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 #308751, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.012
- Jungle Green #048243 ΔE 0.031
- Viridian #1E9167 ΔE 0.035
- Dark Sage #598556 ΔE 0.040
- Fern Green #548D44 ΔE 0.041
- Light Forest Green #4F9153 ΔE 0.043
- Swamp #698339 ΔE 0.056
- Military Green #667C3E ΔE 0.056
Use #308751 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.