#399366
Closest named color: Viridian (#1E9167). oklch(59.7% 0.111 158.4), rgb(57, 147, 102).
Aa
Black text reads best on this color (5.53:1).
About this color
#399366 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.111 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.017 away. Black text reads best on it, at 5.53:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.53:1 |
| White text | 3.79:1 |
Values
| HEX | #399366 |
| RGB | rgb(57, 147, 102) |
| HSL | hsl(150, 44%, 40%) |
| OKLCH | oklch(59.7% 0.111 158.4) |
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 #399366 | 3.79:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #399366 | 5.53:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #399366 text on white | 3.79:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #399366 text on black | 5.53:1 | AA | Lc -36.5 | 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
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#C9E0D2
oklch(88.6% 0.031 159)
-
Step 300
300
#A4CCB4
oklch(81% 0.054 158.6)
-
Step 400
400
#70B18C
oklch(70.6% 0.086 158.3)
-
Step 500
500 (this color)
#399366
oklch(59.7% 0.111 158.4)
-
Step 600
600
#1B8858
oklch(55.6% 0.12 158.4)
-
Step 700
700
#077348
oklch(49% 0.112 158.5)
-
Step 800
800
#0F5E3B
oklch(42.7% 0.093 158.2)
-
Step 900
900
#184D33
oklch(37.7% 0.072 158.5)
-
Step 950
950
#102D1E
oklch(27% 0.045 158.6)
#399366 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) | #928863 | 0.103 |
| Deuteranopia (no green cones) | #857F69 | 0.101 |
| Tritanopia (no blue cones) | #109287 | 0.050 |
| Achromatopsia (no color) | #838383 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399366
#399366
oklch(59.7% 0.111 158.4)
- #AA6496
#AA6496
oklch(59.8% 0.111 338.4)
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 #399366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.017
- Ocean Green #3D9973 ΔE 0.023
- Light Forest Green #4F9153 ΔE 0.026
- Sea Green #2E8B57 ΔE 0.030
- Fern Green #548D44 ΔE 0.041
- Dark Sage #598556 ΔE 0.044
- Slate Green #658D6D ΔE 0.047
- Dusty Teal #4C9085 ΔE 0.054
Use #399366 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.