#5BCF6F
Closest named color: Seaweed (#18D17B). oklch(76.5% 0.171 147.2), rgb(91, 207, 111).
Aa
Black text reads best on this color (10.59:1).
About this color
#5BCF6F is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.171 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.028 away. Black text reads best on it, at 10.59:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.59:1 |
| White text | 1.98:1 |
Values
| HEX | #5BCF6F |
| RGB | rgb(91, 207, 111) |
| HSL | hsl(130, 55%, 58%) |
| OKLCH | oklch(76.5% 0.171 147.2) |
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 #5BCF6F | 1.98:1 | Fails | Lc -42.4 | Non-text elements, placeholder text |
| Black text on #5BCF6F | 10.59:1 | AAA | Lc 66.0 | Content text, not long reading |
| #5BCF6F text on white | 1.98:1 | Fails | Lc 38.0 | Non-text elements, placeholder text |
| #5BCF6F text on black | 10.59:1 | AAA | Lc -64.4 | Content text, not long reading |
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 300.
-
Step 50
50
#ECFAED
oklch(97.1% 0.023 147.5)
-
Step 100
100
#D5F3D7
oklch(93.5% 0.049 147)
-
Step 200
200
#AFEBB5
oklch(88.5% 0.096 147.3)
-
Step 300
300 (this color)
#5BCF6F
oklch(76.5% 0.171 147.2)
-
Step 400
400
#00C148
oklch(70.7% 0.209 147.2)
-
Step 500
500
#00A63D
oklch(63.2% 0.187 147.2)
-
Step 600
600
#008B32
oklch(55.5% 0.164 147.3)
-
Step 700
700
#007528
oklch(49% 0.145 147.1)
-
Step 800
800
#006020
oklch(42.6% 0.126 147.3)
-
Step 900
900
#005019
oklch(37.6% 0.111 147.2)
-
Step 950
950
#00300C
oklch(26.9% 0.079 147.3)
#5BCF6F 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) | #D1BF67 | 0.134 |
| Deuteranopia (no green cones) | #C2B476 | 0.134 |
| Tritanopia (no blue cones) | #42CBB8 | 0.100 |
| Achromatopsia (no color) | #B8B8B8 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BCF6F
#5BCF6F
oklch(76.5% 0.171 147.2)
- #EA88EA
#EA88EA
oklch(76.4% 0.17 327.1)
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 #5BCF6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.028
- Soft Green #6FC276 ΔE 0.042
- Apple #6ECB3C ΔE 0.043
- Fresh Green #69D84F ΔE 0.046
- Dark Mint #48C072 ΔE 0.048
- Algae Green #21C36F ΔE 0.049
- Aqua Green #12E193 ΔE 0.054
- Apple Green #76CD26 ΔE 0.056
Use #5BCF6F 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.