#5BB18C
Closest named color: Greeny Blue (#42B395). oklch(69.6% 0.101 163.7), rgb(91, 177, 140).
Aa
Black text reads best on this color (8.11:1).
About this color
#5BB18C is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.101 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.019 away. Black text reads best on it, at 8.11:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.11:1 |
| White text | 2.58:1 |
Values
| HEX | #5BB18C |
| RGB | rgb(91, 177, 140) |
| HSL | hsl(154, 36%, 53%) |
| OKLCH | oklch(69.6% 0.101 163.7) |
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 #5BB18C | 2.58:1 | Fails | Lc -55.5 | Large or bold text, headings |
| Black text on #5BB18C | 8.11:1 | AAA | Lc 53.6 | Large or bold text, headings |
| #5BB18C text on white | 2.58:1 | Fails | Lc 50.4 | Large or bold text, headings |
| #5BB18C text on black | 8.11:1 | AAA | Lc -51.5 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#DFEEE6
oklch(93.6% 0.019 162.9)
-
Step 200
200
#C5E1D3
oklch(88.5% 0.035 164.1)
-
Step 300
300
#9BCEB6
oklch(80.9% 0.063 164.4)
-
Step 400
400 (this color)
#5BB18C
oklch(69.6% 0.101 163.7)
-
Step 500
500
#1AA174
oklch(63% 0.129 164)
-
Step 600
600
#008860
oklch(55.5% 0.118 164)
-
Step 700
700
#007350
oklch(49.2% 0.105 163.6)
-
Step 800
800
#005E41
oklch(42.7% 0.091 163.9)
-
Step 900
900
#004F36
oklch(37.9% 0.081 163.8)
-
Step 950
950
#052E1F
oklch(26.9% 0.053 163.8)
#5BB18C 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) | #AEA68A | 0.099 |
| Deuteranopia (no green cones) | #A19D8E | 0.095 |
| Tritanopia (no blue cones) | #40B1A7 | 0.041 |
| Achromatopsia (no color) | #A1A1A1 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB18C
#5BB18C
oklch(69.6% 0.101 163.7)
- #CA84AD
#CA84AD
oklch(69.7% 0.101 344)
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 #5BB18C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.019
- Tea #65AB7C ΔE 0.023
- Dusty Green #76A973 ΔE 0.037
- Dark Seafoam Green #3EAF76 ΔE 0.040
- Faded Green #7BB274 ΔE 0.042
- Bluey Green #2BB179 ΔE 0.044
- Algae #54AC68 ΔE 0.048
- Medium Sea Green #3CB371 ΔE 0.048
Use #5BB18C 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.