#5AC191
Closest named color: Greenblue (#23C48B). oklch(73.6% 0.12 161.1), rgb(90, 193, 145).
Aa
Black text reads best on this color (9.47:1).
About this color
#5AC191 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.120 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.032 away. Black text reads best on it, at 9.47:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.47:1 |
| White text | 2.21:1 |
Values
| HEX | #5AC191 |
| RGB | rgb(90, 193, 145) |
| HSL | hsl(152, 45%, 55%) |
| OKLCH | oklch(73.6% 0.12 161.1) |
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 #5AC191 | 2.21:1 | Fails | Lc -48.2 | Large or bold text, headings |
| Black text on #5AC191 | 9.47:1 | AAA | Lc 60.5 | Content text, not long reading |
| #5AC191 text on white | 2.21:1 | Fails | Lc 43.4 | Non-text elements, placeholder text |
| #5AC191 text on black | 9.47:1 | 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
#C2E2D0
oklch(88.5% 0.042 160.8)
-
Step 300
300
#95D0B1
oklch(80.9% 0.075 161.2)
-
Step 400
400 (this color)
#5AC191
oklch(73.6% 0.12 161.1)
-
Step 500
500
#00A36D
oklch(63.2% 0.141 160.9)
-
Step 600
600
#00895B
oklch(55.6% 0.124 161)
-
Step 700
700
#00734C
oklch(49.1% 0.109 161.2)
-
Step 800
800
#005E3E
oklch(42.6% 0.094 161.6)
-
Step 900
900
#004F33
oklch(37.8% 0.084 161.3)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#5AC191 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) | #BFB48E | 0.116 |
| Deuteranopia (no green cones) | #B0AA94 | 0.111 |
| Tritanopia (no blue cones) | #36C0B4 | 0.052 |
| Achromatopsia (no color) | #AEAEAE | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AC191
#5AC191
oklch(73.6% 0.12 161.1)
- #DD8BC0
#DD8BC0
oklch(73.7% 0.12 341.3)
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 #5AC191, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.032
- Green Blue #01C08D ΔE 0.037
- Soft Green #6FC276 ΔE 0.037
- Medium Aquamarine #66CDAA ΔE 0.044
- Dark Mint #48C072 ΔE 0.045
- Greeny Blue #42B395 ΔE 0.048
- Faded Green #7BB274 ΔE 0.049
- Dark Sea Green #8FBC8F ΔE 0.051
Use #5AC191 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.