#45B351
Closest named color: Cool Green (#33B864). oklch(68.1% 0.17 145.3), rgb(69, 179, 81).
Aa
Black text reads best on this color (7.81:1).
About this color
#45B351 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.170 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.021 away. Black text reads best on it, at 7.81:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 7.81:1 |
| White text | 2.68:1 |
Values
| HEX | #45B351 |
| RGB | rgb(69, 179, 81) |
| HSL | hsl(127, 44%, 49%) |
| OKLCH | oklch(68.1% 0.17 145.3) |
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 #45B351 | 2.68:1 | Fails | Lc -57.0 | Large or bold text, headings |
| Black text on #45B351 | 7.81:1 | AAA | Lc 52.2 | Large or bold text, headings |
| #45B351 text on white | 2.68:1 | Fails | Lc 51.8 | Large or bold text, headings |
| #45B351 text on black | 7.81:1 | AAA | Lc -50.1 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DEF0DE
oklch(93.7% 0.031 145.3)
-
Step 200
200
#C2E4C2
oklch(88.5% 0.058 145.1)
-
Step 300
300
#94D396
oklch(80.8% 0.106 145.3)
-
Step 400
400 (this color)
#45B351
oklch(68.1% 0.17 145.3)
-
Step 500
500
#00A62F
oklch(63% 0.197 145.3)
-
Step 600
600
#008C26
oklch(55.6% 0.174 145.3)
-
Step 700
700
#00761F
oklch(49.2% 0.153 145.3)
-
Step 800
800
#006118
oklch(42.8% 0.133 145.4)
-
Step 900
900
#005112
oklch(37.8% 0.118 145.3)
-
Step 950
950
#003007
oklch(26.9% 0.084 145.2)
#45B351 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) | #B6A448 | 0.129 |
| Deuteranopia (no green cones) | #A89A58 | 0.128 |
| Tritanopia (no blue cones) | #2CAF9D | 0.103 |
| Achromatopsia (no color) | #9E9E9E | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45B351
#45B351
oklch(68.1% 0.17 145.3)
- #CC6FD1
#CC6FD1
oklch(68.1% 0.17 325.3)
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 #45B351, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.021
- Medium Green #39AD48 ΔE 0.021
- Dark Pastel Green #56AE57 ΔE 0.021
- Shamrock #01B44C ΔE 0.025
- Leafy Green #51B73B ΔE 0.026
- Grass #5CAC2D ΔE 0.031
- Mid Green #50A747 ΔE 0.033
- Fern #63A950 ΔE 0.035
Use #45B351 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.