#338665
Closest named color: Sea Green (#2E8B57). oklch(56% 0.096 163.9), rgb(51, 134, 101).
Aa
Black text reads best on this color (4.73:1).
About this color
#338665 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.096 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.029 away. Black text reads best on it, at 4.73:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.73:1 |
| White text | 4.43:1 |
Values
| HEX | #338665 |
| RGB | rgb(51, 134, 101) |
| HSL | hsl(156, 45%, 36%) |
| OKLCH | oklch(56% 0.096 163.9) |
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 #338665 | 4.43:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #338665 | 4.73:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #338665 text on white | 4.43:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #338665 text on black | 4.73:1 | AA | Lc -31.2 | 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 600.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CCDED5
oklch(88.5% 0.023 164.5)
-
Step 300
300
#A8CAB9
oklch(80.9% 0.043 163.6)
-
Step 400
400
#78AF95
oklch(70.8% 0.069 163.6)
-
Step 500
500
#529A7B
oklch(63% 0.087 164)
-
Step 600
600 (this color)
#338665
oklch(56% 0.096 163.9)
-
Step 700
700
#237053
oklch(49% 0.088 164.3)
-
Step 800
800
#205C44
oklch(42.8% 0.074 163.6)
-
Step 900
900
#204B39
oklch(37.6% 0.058 163.9)
-
Step 950
950
#142C22
oklch(27% 0.036 165)
#338665 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) | #847D63 | 0.094 |
| Deuteranopia (no green cones) | #787467 | 0.091 |
| Tritanopia (no blue cones) | #00867D | 0.038 |
| Achromatopsia (no color) | #787878 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #338665
#338665
oklch(56% 0.096 163.9)
- #9C5D82
#9C5D82
oklch(56.1% 0.095 344.5)
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 #338665, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.029
- Viridian #1E9167 ΔE 0.033
- Dark Sage #598556 ΔE 0.037
- Teal #008080 ΔE 0.053
- Light Forest Green #4F9153 ΔE 0.053
- Jungle Green #048243 ΔE 0.054
- Dark Cyan #008B8B ΔE 0.054
- Slate Green #658D6D ΔE 0.057
Use #338665 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.