#5BB587
Closest named color: Greeny Blue (#42B395). oklch(70.5% 0.111 159.4), rgb(91, 181, 135).
Aa
Black text reads best on this color (8.40:1).
About this color
#5BB587 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.111 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.027 away. Black text reads best on it, at 8.40:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.40:1 |
| White text | 2.49:1 |
Values
| HEX | #5BB587 |
| RGB | rgb(91, 181, 135) |
| HSL | hsl(149, 38%, 53%) |
| OKLCH | oklch(70.5% 0.111 159.4) |
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 #5BB587 | 2.49:1 | Fails | Lc -53.9 | Large or bold text, headings |
| Black text on #5BB587 | 8.40:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #5BB587 text on white | 2.49:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #5BB587 text on black | 8.40:1 | AAA | Lc -53.1 | 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
#F0F7F3
oklch(97% 0.009 161.4)
-
Step 100
100
#DFEEE5
oklch(93.5% 0.02 159.7)
-
Step 200
200
#C4E1D0
oklch(88.4% 0.038 159.8)
-
Step 300
300
#9ACFB1
oklch(80.9% 0.07 159.6)
-
Step 400
400 (this color)
#5BB587
oklch(70.5% 0.111 159.4)
-
Step 500
500
#0DA36A
oklch(63.2% 0.142 159.4)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#032F1C
oklch(27% 0.059 159.5)
#5BB587 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) | #B3A984 | 0.105 |
| Deuteranopia (no green cones) | #A6A08A | 0.102 |
| Tritanopia (no blue cones) | #41B4A8 | 0.049 |
| Achromatopsia (no color) | #A4A4A4 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB587
#5BB587
oklch(70.5% 0.111 159.4)
- #CE84B6
#CE84B6
oklch(70.5% 0.111 339.8)
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 #5BB587, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.027
- Tea #65AB7C ΔE 0.028
- Faded Green #7BB274 ΔE 0.034
- Dark Seafoam Green #3EAF76 ΔE 0.037
- Dusty Green #76A973 ΔE 0.039
- Medium Sea Green #3CB371 ΔE 0.040
- Bluey Green #2BB179 ΔE 0.040
- Dark Seafoam #1FB57A ΔE 0.041
Use #5BB587 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.