#508B74
Closest named color: Dusty Teal (#4C9085). oklch(58.9% 0.072 166.9), rgb(80, 139, 116).
Aa
Black text reads best on this color (5.28:1).
About this color
#508B74 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.072 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.025 away. Black text reads best on it, at 5.28:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.28:1 |
| White text | 3.97:1 |
Values
| HEX | #508B74 |
| RGB | rgb(80, 139, 116) |
| HSL | hsl(157, 27%, 43%) |
| OKLCH | oklch(58.9% 0.072 166.9) |
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 #508B74 | 3.97:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #508B74 | 5.28:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #508B74 text on white | 3.97:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #508B74 text on black | 5.28:1 | AA | Lc -34.7 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CFDDD6
oklch(88.5% 0.018 164.6)
-
Step 300
300
#AEC8BC
oklch(81% 0.033 166)
-
Step 400
400
#82AB9A
oklch(70.6% 0.051 167.5)
-
Step 500
500
#619781
oklch(63.2% 0.067 166.7)
-
Step 600
600 (this color)
#508B74
oklch(58.9% 0.072 166.9)
-
Step 700
700
#376D59
oklch(49.1% 0.067 167.4)
-
Step 800
800
#2E5948
oklch(42.7% 0.056 166.2)
-
Step 900
900
#2A493D
oklch(37.7% 0.043 167.5)
-
Step 950
950
#192B24
oklch(27.1% 0.027 167.9)
#508B74 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) | #898473 | 0.073 |
| Deuteranopia (no green cones) | #7F7D75 | 0.069 |
| Tritanopia (no blue cones) | #3F8B84 | 0.027 |
| Achromatopsia (no color) | #808080 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508B74
#508B74
oklch(58.9% 0.072 166.9)
- #9D6C85
#9D6C85
oklch(59% 0.071 347.5)
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 #508B74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.025
- Slate Green #658D6D ΔE 0.026
- Dark Sage #598556 ΔE 0.040
- Ocean Green #3D9973 ΔE 0.044
- Viridian #1E9167 ΔE 0.047
- Sea #3C9992 ΔE 0.050
- Dark Cyan #008B8B ΔE 0.050
- Green Grey #77926F ΔE 0.053
Use #508B74 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.