#398A58
Closest named color: Sea Green (#2E8B57). oklch(57% 0.111 153.7), rgb(57, 138, 88).
Aa
Black text reads best on this color (4.95:1).
About this color
#398A58 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.111 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.008 away. Black text reads best on it, at 4.95:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.95:1 |
| White text | 4.24:1 |
Values
| HEX | #398A58 |
| RGB | rgb(57, 138, 88) |
| HSL | hsl(143, 42%, 38%) |
| OKLCH | oklch(57% 0.111 153.7) |
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 #398A58 | 4.24:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #398A58 | 4.95:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #398A58 text on white | 4.24:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #398A58 text on black | 4.95:1 | AA | Lc -32.6 | 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
#CCDFD1
oklch(88.6% 0.028 153.8)
-
Step 300
300
#A9CBB2
oklch(81% 0.05 153.3)
-
Step 400
400
#79B08A
oklch(70.8% 0.08 153.8)
-
Step 500
500
#539B6C
oklch(62.9% 0.102 153.7)
-
Step 600
600 (this color)
#398A58
oklch(57% 0.111 153.7)
-
Step 700
700
#267144
oklch(49% 0.103 153.6)
-
Step 800
800
#225C38
oklch(42.6% 0.085 153.4)
-
Step 900
900
#214C31
oklch(37.7% 0.067 154.1)
-
Step 950
950
#152C1D
oklch(26.9% 0.041 154.1)
#398A58 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) | #8A8055 | 0.097 |
| Deuteranopia (no green cones) | #7F785B | 0.095 |
| Tritanopia (no blue cones) | #20887D | 0.057 |
| Achromatopsia (no color) | #7B7B7B | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398A58
#398A58
oklch(57% 0.111 153.7)
- #9E5D92
#9E5D92
oklch(57% 0.11 334)
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 #398A58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.008
- Viridian #1E9167 ΔE 0.025
- Dark Sage #598556 ΔE 0.031
- Light Forest Green #4F9153 ΔE 0.032
- Fern Green #548D44 ΔE 0.035
- Jungle Green #048243 ΔE 0.046
- Ocean Green #3D9973 ΔE 0.051
- Moss Green #658B38 ΔE 0.052
Use #398A58 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.