#5BC18E
Closest named color: Greenblue (#23C48B). oklch(73.6% 0.122 159.4), rgb(91, 193, 142).
Aa
Black text reads best on this color (9.46:1).
About this color
#5BC18E is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.122 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.031 away. Black text reads best on it, at 9.46:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.46:1 |
| White text | 2.21:1 |
Values
| HEX | #5BC18E |
| RGB | rgb(91, 193, 142) |
| HSL | hsl(150, 45%, 56%) |
| OKLCH | oklch(73.6% 0.122 159.4) |
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 #5BC18E | 2.21:1 | Fails | Lc -48.2 | Large or bold text, headings |
| Black text on #5BC18E | 9.46:1 | AAA | Lc 60.5 | Content text, not long reading |
| #5BC18E text on white | 2.21:1 | Fails | Lc 43.5 | Non-text elements, placeholder text |
| #5BC18E text on black | 9.46:1 | 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
#DEEFE5
oklch(93.7% 0.022 160.2)
-
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)
#5BC18E
oklch(73.6% 0.122 159.4)
-
Step 500
500
#00A369
oklch(63.1% 0.144 159.3)
-
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
#002F1B
oklch(26.9% 0.062 159.3)
#5BC18E 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) | #BFB48B | 0.115 |
| Deuteranopia (no green cones) | #B0AA91 | 0.111 |
| Tritanopia (no blue cones) | #3AC0B3 | 0.054 |
| Achromatopsia (no color) | #AEAEAE | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BC18E
#5BC18E
oklch(73.6% 0.122 159.4)
- #DC8AC2
#DC8AC2
oklch(73.5% 0.122 339.6)
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 #5BC18E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.031
- Soft Green #6FC276 ΔE 0.033
- Green Blue #01C08D ΔE 0.037
- Dark Mint #48C072 ΔE 0.041
- Medium Aquamarine #66CDAA ΔE 0.046
- Faded Green #7BB274 ΔE 0.047
- Greeny Blue #42B395 ΔE 0.050
- Dark Sea Green #8FBC8F ΔE 0.052
Use #5BC18E 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.