#539A74
Closest named color: Ocean Green (#3D9973). oklch(62.9% 0.093 158.8), rgb(83, 154, 116).
Aa
Black text reads best on this color (6.24:1).
About this color
#539A74 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.093 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.019 away. Black text reads best on it, at 6.24:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.24:1 |
| White text | 3.36:1 |
Values
| HEX | #539A74 |
| RGB | rgb(83, 154, 116) |
| HSL | hsl(148, 30%, 46%) |
| OKLCH | oklch(62.9% 0.093 158.8) |
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 #539A74 | 3.36:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #539A74 | 6.24:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #539A74 text on white | 3.36:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #539A74 text on black | 6.24:1 | AA | Lc -40.8 | 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 500.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CCDFD3
oklch(88.6% 0.026 158.1)
-
Step 300
300
#A9CAB6
oklch(80.9% 0.045 158.6)
-
Step 400
400
#79AF90
oklch(70.7% 0.073 158.7)
-
Step 500
500 (this color)
#539A74
oklch(62.9% 0.093 158.8)
-
Step 600
600
#35855D
oklch(55.6% 0.101 158.6)
-
Step 700
700
#26714D
oklch(49.2% 0.094 158.9)
-
Step 800
800
#225C3F
oklch(42.8% 0.078 158.6)
-
Step 900
900
#224B36
oklch(37.6% 0.059 159.3)
-
Step 950
950
#152C1F
oklch(27% 0.038 157.7)
#539A74 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) | #999172 | 0.087 |
| Deuteranopia (no green cones) | #8E8976 | 0.084 |
| Tritanopia (no blue cones) | #419990 | 0.043 |
| Achromatopsia (no color) | #8C8C8C | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #539A74
#539A74
oklch(62.9% 0.093 158.8)
- #AE729C
#AE729C
oklch(62.8% 0.094 338.5)
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 #539A74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.019
- Grey Teal #5E9B8A ΔE 0.035
- Slate Green #658D6D ΔE 0.038
- Persian Green #2A9D8F ΔE 0.042
- Dull Teal #5F9E8F ΔE 0.042
- Green Grey #77926F ΔE 0.042
- Dusty Teal #4C9085 ΔE 0.046
- Light Forest Green #4F9153 ΔE 0.046
Use #539A74 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.