#539B1E
Closest named color: Grassy Green (#419C03). oklch(61.9% 0.169 135.6), rgb(83, 155, 30).
Aa
Black text reads best on this color (6.07:1).
About this color
#539B1E is a medium-dark, vivid green. In OKLCH its lightness is 62%, its chroma 0.169 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.020 away. Black text reads best on it, at 6.07:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.07:1 |
| White text | 3.45:1 |
Values
| HEX | #539B1E |
| RGB | rgb(83, 155, 30) |
| HSL | hsl(95, 68%, 36%) |
| OKLCH | oklch(61.9% 0.169 135.6) |
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 #539B1E | 3.45:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #539B1E | 6.07:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #539B1E text on white | 3.45:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #539B1E text on black | 6.07:1 | AA | Lc -39.9 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E3EEDE
oklch(93.6% 0.024 135.7)
-
Step 200
200
#CCE1C2
oklch(88.6% 0.047 135.5)
-
Step 300
300
#A9CD98
oklch(80.8% 0.082 135.8)
-
Step 400
400
#7AB35C
oklch(70.7% 0.133 135.7)
-
Step 500
500 (this color)
#539B1E
oklch(61.9% 0.169 135.6)
-
Step 600
600
#428700
oklch(55.6% 0.164 135.6)
-
Step 700
700
#377200
oklch(49.2% 0.145 135.5)
-
Step 800
800
#2C5D00
oklch(42.7% 0.126 135.4)
-
Step 900
900
#244E01
oklch(37.8% 0.111 135.5)
-
Step 950
950
#162E06
oklch(27.2% 0.07 135.4)
#539B1E 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) | #A18E00 | 0.102 |
| Deuteranopia (no green cones) | #97882C | 0.102 |
| Tritanopia (no blue cones) | #509584 | 0.122 |
| Achromatopsia (no color) | #8A8A8A | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #539B1E
#539B1E
oklch(61.9% 0.169 135.6)
- #AC60CA
#AC60CA
oklch(61.8% 0.17 315.6)
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 #539B1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.020
- Grass Green #3F9B0B ΔE 0.020
- Mid Green #50A747 ΔE 0.040
- Dark Yellow Green #728F02 ΔE 0.043
- Olive Drab #6B8E23 ΔE 0.045
- Leaf Green #5CA904 ΔE 0.045
- Sap Green #5C8B15 ΔE 0.045
- Muted Green #5FA052 ΔE 0.048
Use #539B1E 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.