#538A4B
Closest named color: Fern Green (#548D44). oklch(57.9% 0.11 141.3), rgb(83, 138, 75).
Aa
Black text reads best on this color (5.10:1).
About this color
#538A4B is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.110 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.014 away. Black text reads best on it, at 5.10:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #538A4B |
| RGB | rgb(83, 138, 75) |
| HSL | hsl(112, 30%, 42%) |
| OKLCH | oklch(57.9% 0.11 141.3) |
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 #538A4B | 4.11:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #538A4B | 5.10:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #538A4B text on white | 4.11:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #538A4B text on black | 5.10:1 | AA | Lc -33.5 | 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 600.
-
Step 50
50
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E5ECE4
oklch(93.6% 0.013 141.8)
-
Step 200
200
#D0DECD
oklch(88.5% 0.027 140.2)
-
Step 300
300
#B0C9AB
oklch(80.9% 0.05 140.4)
-
Step 400
400
#85AD7F
oklch(70.6% 0.079 141.4)
-
Step 500
500
#66995E
oklch(63.2% 0.102 141.1)
-
Step 600
600 (this color)
#538A4B
oklch(57.9% 0.11 141.3)
-
Step 700
700
#3D6F36
oklch(49.2% 0.102 141.3)
-
Step 800
800
#335A2D
oklch(42.6% 0.084 141.1)
-
Step 900
900
#2D4A29
oklch(37.7% 0.065 141.4)
-
Step 950
950
#1B2C18
oklch(27.2% 0.042 140.8)
#538A4B 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) | #8D8046 | 0.079 |
| Deuteranopia (no green cones) | #857B4F | 0.078 |
| Tritanopia (no blue cones) | #4E867B | 0.073 |
| Achromatopsia (no color) | #7D7D7D | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #538A4B
#538A4B
oklch(57.9% 0.11 141.3)
- #9863A1
#9863A1
oklch(57.9% 0.11 321.6)
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 #538A4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.014
- Light Forest Green #4F9153 ΔE 0.020
- Dark Sage #598556 ΔE 0.025
- Moss Green #658B38 ΔE 0.027
- Swamp #698339 ΔE 0.030
- Sea Green #2E8B57 ΔE 0.031
- Mossy Green #638B27 ΔE 0.037
- Khaki Green #728639 ΔE 0.037
Use #538A4B 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.