#5B9575
Closest named color: Slate Green (#658D6D). oklch(62.1% 0.078 158.9), rgb(91, 149, 117).
Aa
Black text reads best on this color (6.00:1).
About this color
#5B9575 is a medium-light, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.078 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.023 away. Black text reads best on it, at 6.00:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 6.00:1 |
| White text | 3.49:1 |
Values
| HEX | #5B9575 |
| RGB | rgb(91, 149, 117) |
| HSL | hsl(147, 24%, 47%) |
| OKLCH | oklch(62.1% 0.078 158.9) |
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 #5B9575 | 3.49:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #5B9575 | 6.00:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #5B9575 text on white | 3.49:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #5B9575 text on black | 6.00:1 | AA | Lc -39.2 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CEDED4
oklch(88.6% 0.022 158.5)
-
Step 300
300
#ADC9B8
oklch(81% 0.038 158.8)
-
Step 400
400
#80AD93
oklch(70.8% 0.062 159)
-
Step 500
500 (this color)
#5B9575
oklch(62.1% 0.078 158.9)
-
Step 600
600
#438361
oklch(55.7% 0.085 158.7)
-
Step 700
700
#346E50
oklch(49% 0.079 159)
-
Step 800
800
#2C5A42
oklch(42.7% 0.065 159.1)
-
Step 900
900
#284A38
oklch(37.7% 0.051 159.5)
-
Step 950
950
#182B21
oklch(26.9% 0.031 160.3)
#5B9575 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) | #948D73 | 0.074 |
| Deuteranopia (no green cones) | #8B8677 | 0.073 |
| Tritanopia (no blue cones) | #4E948C | 0.036 |
| Achromatopsia (no color) | #898989 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B9575
#5B9575
oklch(62.1% 0.078 158.9)
- #A67496
#A67496
oklch(62.1% 0.078 339)
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 #5B9575, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.023
- Ocean Green #3D9973 ΔE 0.028
- Grey Teal #5E9B8A ΔE 0.031
- Green Grey #77926F ΔE 0.032
- Dusty Teal #4C9085 ΔE 0.035
- Dull Teal #5F9E8F ΔE 0.040
- Sea #3C9992 ΔE 0.043
- Persian Green #2A9D8F ΔE 0.045
Use #5B9575 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.