#BEC34E
Closest named color: Mustard Yellow (#D2BD0A). oklch(79.1% 0.139 111.5), rgb(190, 195, 78).
Aa
Black text reads best on this color (11.10:1).
About this color
#BEC34E is a light, moderately saturated yellow. In OKLCH its lightness is 79%, its chroma 0.139 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.036 away. Black text reads best on it, at 11.10:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.10:1 |
| White text | 1.89:1 |
Values
| HEX | #BEC34E |
| RGB | rgb(190, 195, 78) |
| HSL | hsl(63, 49%, 54%) |
| OKLCH | oklch(79.1% 0.139 111.5) |
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 #BEC34E | 1.89:1 | Fails | Lc -40.1 | Non-text elements, placeholder text |
| Black text on #BEC34E | 11.10:1 | AAA | Lc 68.0 | Content text, not long reading |
| #BEC34E text on white | 1.89:1 | Fails | Lc 35.8 | Non-text elements, placeholder text |
| #BEC34E text on black | 11.10:1 | AAA | Lc -66.7 | Content text, not long reading |
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 300.
-
Step 50
50
#F5F7E9
oklch(97.1% 0.019 113.3)
-
Step 100
100
#EAEDCF
oklch(93.6% 0.04 111.8)
-
Step 200
200
#DADFA3
oklch(88.5% 0.078 111.9)
-
Step 300
300 (this color)
#BEC34E
oklch(79.1% 0.139 111.5)
-
Step 400
400
#A5A900
oklch(70.8% 0.156 111.5)
-
Step 500
500
#8D9100
oklch(63.2% 0.14 111.7)
-
Step 600
600
#767900
oklch(55.5% 0.122 111.5)
-
Step 700
700
#636600
oklch(49.1% 0.109 111.8)
-
Step 800
800
#515300
oklch(42.6% 0.094 111.4)
-
Step 900
900
#434500
oklch(37.6% 0.083 111.6)
-
Step 950
950
#282900
oklch(27.1% 0.06 111.2)
#BEC34E 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) | #D1BB40 | 0.031 |
| Deuteranopia (no green cones) | #D2BE55 | 0.033 |
| Tritanopia (no blue cones) | #CAB8AA | 0.124 |
| Achromatopsia (no color) | #BCBCBC | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BEC34E
#BEC34E
oklch(79.1% 0.139 111.5)
- #BBADFF
#BBADFF
oklch(79% 0.116 291.3)
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 #BEC34E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.036
- Light Olive #ACBF69 ΔE 0.037
- Olive Yellow #C2B709 ΔE 0.038
- Light Olive Green #A4BE5C ΔE 0.040
- Greenish Tan #BCCB7A ΔE 0.042
- Light Moss Green #A6C875 ΔE 0.042
- Dark Yellow #D5B60A ΔE 0.045
- Mustard #CEB301 ΔE 0.046
Use #BEC34E 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.