#5BC18D
Closest named color: Greenblue (#23C48B). oklch(73.6% 0.123 159), rgb(91, 193, 141).
Aa
Black text reads best on this color (9.45:1).
About this color
#5BC18D is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.123 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.030 away. Black text reads best on it, at 9.45:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.45:1 |
| White text | 2.22:1 |
Values
| HEX | #5BC18D |
| RGB | rgb(91, 193, 141) |
| HSL | hsl(149, 45%, 56%) |
| OKLCH | oklch(73.6% 0.123 159) |
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 #5BC18D | 2.22:1 | Fails | Lc -48.3 | Large or bold text, headings |
| Black text on #5BC18D | 9.45:1 | AAA | Lc 60.5 | Content text, not long reading |
| #5BC18D text on white | 2.22:1 | Fails | Lc 43.5 | Non-text elements, placeholder text |
| #5BC18D text on black | 9.45:1 | AAA | Lc -58.7 | 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
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DEEFE4
oklch(93.6% 0.023 157.6)
-
Step 200
200
#C2E2CF
oklch(88.4% 0.043 159.4)
-
Step 300
300
#96D0AF
oklch(80.9% 0.076 159.2)
-
Step 400
400 (this color)
#5BC18D
oklch(73.6% 0.123 159)
-
Step 500
500
#00A368
oklch(63.1% 0.145 158.9)
-
Step 600
600
#008957
oklch(55.5% 0.128 159.1)
-
Step 700
700
#007348
oklch(49% 0.113 158.9)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#004F30
oklch(37.7% 0.087 158.9)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#5BC18D 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) | #BFB48A | 0.115 |
| Deuteranopia (no green cones) | #B0AA90 | 0.111 |
| Tritanopia (no blue cones) | #3AC0B3 | 0.055 |
| Achromatopsia (no color) | #AEAEAE | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BC18D
#5BC18D
oklch(73.6% 0.123 159)
- #DC8AC3
#DC8AC3
oklch(73.6% 0.123 339)
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 #5BC18D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.030
- Soft Green #6FC276 ΔE 0.032
- Green Blue #01C08D ΔE 0.036
- Dark Mint #48C072 ΔE 0.040
- Faded Green #7BB274 ΔE 0.047
- Medium Aquamarine #66CDAA ΔE 0.047
- Greeny Blue #42B395 ΔE 0.051
- Dark Mint Green #20C073 ΔE 0.051
Use #5BC18D 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.