#55C191
Closest named color: Greenblue (#23C48B). oklch(73.5% 0.123 161.9), rgb(85, 193, 145).
Aa
Black text reads best on this color (9.42:1).
About this color
#55C191 is a medium-light, moderately saturated green. In OKLCH its lightness is 73%, its chroma 0.123 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.029 away. Black text reads best on it, at 9.42:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.42:1 |
| White text | 2.22:1 |
Values
| HEX | #55C191 |
| RGB | rgb(85, 193, 145) |
| HSL | hsl(153, 47%, 55%) |
| OKLCH | oklch(73.5% 0.123 161.9) |
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 #55C191 | 2.22:1 | Fails | Lc -48.4 | Large or bold text, headings |
| Black text on #55C191 | 9.42:1 | AAA | Lc 60.3 | Content text, not long reading |
| #55C191 text on white | 2.22:1 | Fails | Lc 43.6 | Non-text elements, placeholder text |
| #55C191 text on black | 9.42:1 | AAA | Lc -58.5 | 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
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DEEFE5
oklch(93.7% 0.022 160.2)
-
Step 200
200
#C1E2D0
oklch(88.4% 0.043 161.6)
-
Step 300
300
#93D1B1
oklch(81% 0.078 161.5)
-
Step 400
400 (this color)
#55C191
oklch(73.5% 0.123 161.9)
-
Step 500
500
#00A36F
oklch(63.2% 0.139 161.8)
-
Step 600
600
#00895D
oklch(55.7% 0.122 162)
-
Step 700
700
#00734D
oklch(49.1% 0.108 161.8)
-
Step 800
800
#005E3F
oklch(42.6% 0.093 162.3)
-
Step 900
900
#004F34
oklch(37.8% 0.083 162.1)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#55C191 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) | #BEB48E | 0.118 |
| Deuteranopia (no green cones) | #AFA994 | 0.115 |
| Tritanopia (no blue cones) | #29C1B4 | 0.051 |
| Achromatopsia (no color) | #AEAEAE | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55C191
#55C191
oklch(73.5% 0.123 161.9)
- #DE89BF
#DE89BF
oklch(73.5% 0.123 342)
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 #55C191, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.029
- Green Blue #01C08D ΔE 0.033
- Soft Green #6FC276 ΔE 0.039
- Dark Mint #48C072 ΔE 0.043
- Medium Aquamarine #66CDAA ΔE 0.046
- Greeny Blue #42B395 ΔE 0.047
- Faded Green #7BB274 ΔE 0.050
- Dark Mint Green #20C073 ΔE 0.052
Use #55C191 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.