#45BB66
Closest named color: Cool Green (#33B864). oklch(70.5% 0.162 149.5), rgb(69, 187, 102).
Aa
Black text reads best on this color (8.55:1).
About this color
#45BB66 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.162 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 0.014 away. Black text reads best on it, at 8.55:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 8.55:1 |
| White text | 2.45:1 |
Values
| HEX | #45BB66 |
| RGB | rgb(69, 187, 102) |
| HSL | hsl(137, 46%, 50%) |
| OKLCH | oklch(70.5% 0.162 149.5) |
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 #45BB66 | 2.45:1 | Fails | Lc -52.9 | Large or bold text, headings |
| Black text on #45BB66 | 8.55:1 | AAA | Lc 56.1 | Large or bold text, headings |
| #45BB66 text on white | 2.45:1 | Fails | Lc 47.9 | Large or bold text, headings |
| #45BB66 text on black | 8.55:1 | AAA | Lc -54.1 | 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
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DDF0E0
oklch(93.7% 0.029 150.1)
-
Step 200
200
#C0E4C6
oklch(88.5% 0.056 149.9)
-
Step 300
300
#91D39D
oklch(80.8% 0.101 149.4)
-
Step 400
400 (this color)
#45BB66
oklch(70.5% 0.162 149.5)
-
Step 500
500
#00A549
oklch(63.1% 0.176 149.5)
-
Step 600
600
#008B3C
oklch(55.6% 0.155 149.4)
-
Step 700
700
#007532
oklch(49.1% 0.137 149.6)
-
Step 800
800
#006027
oklch(42.7% 0.12 149.3)
-
Step 900
900
#005020
oklch(37.7% 0.105 149.6)
-
Step 950
950
#003010
oklch(27% 0.075 149.4)
#45BB66 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) | #BCAC5F | 0.132 |
| Deuteranopia (no green cones) | #ADA16C | 0.131 |
| Tritanopia (no blue cones) | #1EB8A7 | 0.090 |
| Achromatopsia (no color) | #A5A5A5 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45BB66
#45BB66
oklch(70.5% 0.162 149.5)
- #D677D0
#D677D0
oklch(70.5% 0.162 329.5)
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 #45BB66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.014
- Dark Mint #48C072 ΔE 0.018
- Dark Mint Green #20C073 ΔE 0.020
- Algae Green #21C36F ΔE 0.023
- Boring Green #63B365 ΔE 0.030
- Medium Sea Green #3CB371 ΔE 0.031
- Dark Pastel Green #56AE57 ΔE 0.035
- Green Teal #0CB577 ΔE 0.037
Use #45BB66 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.