#538C05
Closest named color: Sap Green (#5C8B15). oklch(57.8% 0.16 132.4), rgb(83, 140, 5).
Aa
Black text reads best on this color (5.12:1).
About this color
#538C05 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.160 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.013 away. Black text reads best on it, at 5.12:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.12:1 |
| White text | 4.10:1 |
Values
| HEX | #538C05 |
| RGB | rgb(83, 140, 5) |
| HSL | hsl(85, 93%, 28%) |
| OKLCH | oklch(57.8% 0.16 132.4) |
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 #538C05 | 4.10:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #538C05 | 5.12:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #538C05 text on white | 4.10:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #538C05 text on black | 5.12:1 | AA | Lc -33.8 | 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
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E5EDDF
oklch(93.6% 0.02 131.5)
-
Step 200
200
#CFDFC4
oklch(88.4% 0.04 132.4)
-
Step 300
300
#AFCB9B
oklch(80.9% 0.072 132.5)
-
Step 400
400
#85B063
oklch(70.8% 0.115 132.5)
-
Step 500
500
#669B32
oklch(63% 0.147 132.3)
-
Step 600
600 (this color)
#538C05
oklch(57.8% 0.16 132.4)
-
Step 700
700
#417000
oklch(49.2% 0.137 132.3)
-
Step 800
800
#345C00
oklch(42.8% 0.12 132.5)
-
Step 900
900
#2D4C0C
oklch(37.8% 0.096 132.5)
-
Step 950
950
#1B2C0A
oklch(26.9% 0.06 131.8)
#538C05 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) | #928000 | 0.090 |
| Deuteranopia (no green cones) | #8B7C1C | 0.089 |
| Tritanopia (no blue cones) | #548676 | 0.120 |
| Achromatopsia (no color) | #7D7D7D | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #538C05
#538C05
oklch(57.8% 0.16 132.4)
- #9958BC
#9958BC
oklch(57.7% 0.16 312.4)
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 #538C05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.013
- Mossy Green #638B27 ΔE 0.028
- Olive Drab #6B8E23 ΔE 0.035
- Forest Green #228B22 ΔE 0.037
- Dark Yellow Green #728F02 ΔE 0.039
- Moss Green #658B38 ΔE 0.042
- Fern Green #548D44 ΔE 0.043
- Emerald Green #028F1E ΔE 0.043
Use #538C05 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.