#27BB58
Closest named color: Cool Green (#33B864). oklch(69.6% 0.184 149), rgb(39, 187, 88).
Aa
Black text reads best on this color (8.33:1).
About this color
#27BB58 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.184 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.019 away. Black text reads best on it, at 8.33:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 8.33:1 |
| White text | 2.51:1 |
Values
| HEX | #27BB58 |
| RGB | rgb(39, 187, 88) |
| HSL | hsl(140, 65%, 44%) |
| OKLCH | oklch(69.6% 0.184 149) |
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 #27BB58 | 2.51:1 | Fails | Lc -53.9 | Large or bold text, headings |
| Black text on #27BB58 | 8.33:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #27BB58 text on white | 2.51:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #27BB58 text on black | 8.33:1 | 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
#EFF9F0
oklch(97.2% 0.016 148.4)
-
Step 100
100
#DBF0DE
oklch(93.5% 0.033 149.5)
-
Step 200
200
#BDE6C3
oklch(88.6% 0.064 149.1)
-
Step 300
300
#8AD598
oklch(80.8% 0.114 149.2)
-
Step 400
400 (this color)
#27BB58
oklch(69.6% 0.184 149)
-
Step 500
500
#00A547
oklch(63% 0.178 149.1)
-
Step 600
600
#008B3A
oklch(55.6% 0.157 148.9)
-
Step 700
700
#007530
oklch(49.1% 0.138 149)
-
Step 800
800
#006026
oklch(42.7% 0.12 149)
-
Step 900
900
#00501E
oklch(37.6% 0.107 148.8)
-
Step 950
950
#00300F
oklch(27% 0.076 148.8)
#27BB58 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) | #BDAA4F | 0.149 |
| Deuteranopia (no green cones) | #AC9F5F | 0.146 |
| Tritanopia (no blue cones) | #00B7A4 | 0.104 |
| Achromatopsia (no color) | #A3A3A3 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27BB58
#27BB58
oklch(69.6% 0.184 149)
- #D96DD4
#D96DD4
oklch(69.6% 0.184 329.1)
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 #27BB58, closest first.
No curated palette has a color within ΔE 0.04 of #27BB58.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.019
- Shamrock Green #02C14D ΔE 0.024
- Shamrock #01B44C ΔE 0.025
- Leafy Green #51B73B ΔE 0.028
- Algae Green #21C36F ΔE 0.030
- Dark Mint Green #20C073 ΔE 0.030
- Medium Green #39AD48 ΔE 0.038
- Dark Mint #48C072 ΔE 0.038
Use #27BB58 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.