#338257
Closest named color: Sea Green (#2E8B57). oklch(54.6% 0.103 156.5), rgb(51, 130, 87).
Aa
White text reads best on this color (4.69:1).
About this color
#338257 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.103 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.028 away. White text reads best on it, at 4.69:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #338257 |
| RGB | rgb(51, 130, 87) |
| HSL | hsl(147, 44%, 35%) |
| OKLCH | oklch(54.6% 0.103 156.5) |
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 #338257 | 4.69:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #338257 | 4.47:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #338257 text on white | 4.69:1 | AA | Lc 72.4 | Content text, not long reading |
| #338257 text on black | 4.47:1 | AA large text | Lc -29.3 | Dividers and decoration only |
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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDFD2
oklch(88.6% 0.027 155.9)
-
Step 300
300
#A9CAB5
oklch(80.9% 0.046 157.3)
-
Step 400
400
#7AAF8E
oklch(70.7% 0.074 156.6)
-
Step 500
500
#559B72
oklch(63.2% 0.095 156.6)
-
Step 600
600 (this color)
#338257
oklch(54.6% 0.103 156.5)
-
Step 700
700
#28714A
oklch(49.2% 0.096 156.6)
-
Step 800
800
#235C3D
oklch(42.8% 0.079 156.7)
-
Step 900
900
#224B34
oklch(37.6% 0.061 157.1)
-
Step 950
950
#152C1E
oklch(26.9% 0.039 155.9)
#338257 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) | #817854 | 0.094 |
| Deuteranopia (no green cones) | #76715A | 0.091 |
| Tritanopia (no blue cones) | #158177 | 0.049 |
| Achromatopsia (no color) | #747474 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #338257
#338257
oklch(54.6% 0.103 156.5)
- #965887
#965887
oklch(54.7% 0.103 336.4)
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 #338257, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.028
- Jungle Green #048243 ΔE 0.037
- Dark Sage #598556 ΔE 0.038
- Viridian #1E9167 ΔE 0.043
- Military Green #667C3E ΔE 0.054
- Fern Green #548D44 ΔE 0.056
- Light Forest Green #4F9153 ΔE 0.056
- Swamp #698339 ΔE 0.062
Use #338257 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.