#3F9775
Closest named color: Ocean Green (#3D9973). oklch(61.3% 0.1 165), rgb(63, 151, 117).
Aa
Black text reads best on this color (5.89:1).
About this color
#3F9775 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.100 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.008 away. Black text reads best on it, at 5.89:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 5.89:1 |
| White text | 3.56:1 |
Values
| HEX | #3F9775 |
| RGB | rgb(63, 151, 117) |
| HSL | hsl(157, 41%, 42%) |
| OKLCH | oklch(61.3% 0.1 165) |
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 #3F9775 | 3.56:1 | AA large text | Lc -68.5 | Content text, not long reading |
| Black text on #3F9775 | 5.89:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #3F9775 text on white | 3.56:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #3F9775 text on black | 5.89:1 | AA | Lc -38.7 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#C9DFD5
oklch(88.4% 0.027 166.7)
-
Step 300
300
#A4CBB9
oklch(80.9% 0.049 165.4)
-
Step 400
400
#70B094
oklch(70.6% 0.078 164.9)
-
Step 500
500 (this color)
#3F9775
oklch(61.3% 0.1 165)
-
Step 600
600
#1C8763
oklch(55.6% 0.109 164.8)
-
Step 700
700
#087252
oklch(49% 0.101 165.1)
-
Step 800
800
#105D43
oklch(42.7% 0.084 164.7)
-
Step 900
900
#184C39
oklch(37.6% 0.064 165.5)
-
Step 950
950
#102D21
oklch(27.1% 0.042 164)
#3F9775 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) | #948D73 | 0.099 |
| Deuteranopia (no green cones) | #878477 | 0.095 |
| Tritanopia (no blue cones) | #14978D | 0.038 |
| Achromatopsia (no color) | #888888 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F9775
#3F9775
oklch(61.3% 0.1 165)
- #AF6B92
#AF6B92
oklch(61.4% 0.1 345.1)
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 #3F9775, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.008
- Viridian #1E9167 ΔE 0.034
- Persian Green #2A9D8F ΔE 0.036
- Blue Green #0F9B8E ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.039
- Slate Green #658D6D ΔE 0.041
- Sea #3C9992 ΔE 0.042
- Light Forest Green #4F9153 ΔE 0.043
Use #3F9775 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.