#5BB990
Closest named color: Greeny Blue (#42B395). oklch(71.7% 0.109 163.1), rgb(91, 185, 144).
Aa
Black text reads best on this color (8.78:1).
About this color
#5BB990 is a medium-light, moderately saturated green. In OKLCH its lightness is 72%, its chroma 0.109 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.029 away. Black text reads best on it, at 8.78:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.78:1 |
| White text | 2.38:1 |
Values
| HEX | #5BB990 |
| RGB | rgb(91, 185, 144) |
| HSL | hsl(154, 40%, 54%) |
| OKLCH | oklch(71.7% 0.109 163.1) |
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 #5BB990 | 2.38:1 | Fails | Lc -51.8 | Large or bold text, headings |
| Black text on #5BB990 | 8.78:1 | AAA | Lc 57.1 | Large or bold text, headings |
| #5BB990 text on white | 2.38:1 | Fails | Lc 46.9 | Large or bold text, headings |
| #5BB990 text on black | 8.78:1 | AAA | Lc -55.2 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100
#DFEEE6
oklch(93.6% 0.019 162.9)
-
Step 200
200
#C4E1D2
oklch(88.4% 0.037 163.1)
-
Step 300
300
#98CFB4
oklch(80.9% 0.069 163.1)
-
Step 400
400 (this color)
#5BB990
oklch(71.7% 0.109 163.1)
-
Step 500
500
#00A271
oklch(63% 0.136 163)
-
Step 600
600
#00895F
oklch(55.7% 0.12 163.1)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#012F1E
oklch(27% 0.058 162.7)
#5BB990 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) | #B6AE8E | 0.106 |
| Deuteranopia (no green cones) | #A8A493 | 0.102 |
| Tritanopia (no blue cones) | #3BB9AE | 0.045 |
| Achromatopsia (no color) | #A8A8A8 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB990
#5BB990
oklch(71.7% 0.109 163.1)
- #D388B5
#D388B5
oklch(71.7% 0.108 343.4)
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 #5BB990, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.029
- Tea #65AB7C ΔE 0.040
- Green Blue #01C08D ΔE 0.040
- Faded Green #7BB274 ΔE 0.041
- Greenblue #23C48B ΔE 0.044
- Sage Green #88B378 ΔE 0.047
- Topaz #13BBAF ΔE 0.049
- Dark Seafoam Green #3EAF76 ΔE 0.049
Use #5BB990 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.